wp-cli/wp-cli — pull request #803 by danielbachhuber (2014-06-29 16:45:34+00:00)
Title: `--fields=title,content` should work

`wp post list --field=title` works, but `wp post list --fields=title` doesn't work.

You have to add the post_ prefix: `wp post list --fields=post_title` which doesn't make sense, from a UX standpoint.